It's an ancient story: An innocent idealist sets out to change the world and in the process becomes what he hates most. "He who fights monsters should see to it that he himself does not become a monster," Friedrich Nietzsche advised.

The scuttlebutt in Washington is that Vice President Joe Biden is going to throw his hat into the presidential race, which means there is at least a 50 percent chance that he will. I mean, when is the Beltway scuttlebutt ever wrong?

President Barack Obama was right. He was right when, just a few hours after the horrible shooting in Oregon, he decried the fact that such slaughters have become "routine." He was even right, in a sense, when he defended politicizing the tragedy.

There is only one guaranteed way to get fired from the Department of Veterans Affairs. Falsifying records won't do it. Prescribing obsolete drugs won't do it. Cutting all manner of corners on health and safety is, at worst, going to get you a reprimand.